“…Breast cancer is an illness that not only affects the individual but also the family as a unit and its individual members (Coyne et al, 2012; Dieperink et al, 2017; Holst-Hansson, 2018; Holst-Hansson et al, 2017, 2018; Möllerberg et al, 2020). Family Systems Nursing (FSN) is an overarching theoretical orientation that acknowledges and addresses the multiple systems involved in the experience of health and illness: the individual, the family, the health care provider(s), and larger systems—all of whom are pivotal to health and healing (Bell, 2009; Bell & Wright, 2015; Leahey & Svavarsdottir, 2009; Shajani & Snell, 2019; Wright & Leahey, 2013).…”